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PJSB duct reducer 12in to 8in is a 3 inch long ducting section that steps a 12 inch opening down to an 8 inch opening, so you can transition between different duct sizes without a long run, keeping connections compact around the spray area. This Paintline reducer is intended to be used with the Portable Jobsite Spray Booth, so it fits directly into that workflow when routing air from the booth to your chosen 8 inch duct path. The reducer creates a defined change point between 12 inch and 8 inch ducting, which helps you plan where to shift diameters in a tight jobsite or shop layout. By matching the 12 inch booth opening on one side and 8 inch duct on the other, it supports a straightforward connection that aligns with the booth design.
This 3 inch long ducting section is sized to reduce from a 12 inch opening to an 8 inch opening, so installers can plan that change in diameter at a specific point instead of gradually. When routing duct for the Portable Jobsite Spray Booth, that defined reduction point helps align the larger booth outlet with an 8 inch run that carries overspray-laden air away. Because the reducer is identified as a ducting section, it slots into a run where a straight piece would go, only with the built-in size change between ends. Using the specified 12 inch to 8 inch geometry simplifies layout decisions when connecting the booth to duct components that match the 8 inch side.
The PJSB duct reducer 12in to 8in is described for use with the Portable Jobsite Spray Booth, so it fits into the air path that starts at that booth and continues through your duct run. The reducer takes a 12 inch opening on one end and an 8 inch opening on the other, which positions it as the transition piece where the booth outlet or 12 inch duct meets an 8 inch line. At 3 inches long, it fits best where there is limited straight length available between other fittings, so the change in size happens quickly without taking over the layout. Installers can place this short section at the point where space allows the shift from 12 inch to 8 inch duct, shaping how the exhaust route leaves the booth.
The clearly defined 12 inch to 8 inch sizing on this Paintline duct reducer supports repeatable setups, because every time it is used with the Portable Jobsite Spray Booth, the change in diameter occurs the same way. The 3 inch length means the reducer occupies a small segment of the run, so existing routing practices around the booth can remain similar while still stepping down to 8 inch duct. Calling out its role as a ducting section keeps expectations focused on connecting it between other duct pieces, which streamlines planning when mapping the airflow path. The dedicated manufacturer part number PJSB.REDUCER helps shops duplicate a known layout across multiple booths, since they can specify the same reducer wherever a 12 inch to 8 inch change is needed.
The PJSB duct reducer 12in to 8in connects a 12 inch opening to an 8 inch opening, creating a fixed transition point that lets installers link larger booth outlets to 8 inch duct runs.
The Paintline PJSB duct reducer is 3 inches long, so the diameter change from 12 inches to 8 inches happens over a short distance, helping it fit into tight duct layouts near the booth.
This ducting section is to be used with the Portable Jobsite Spray Booth, aligning its 12 inch to 8 inch sizing with that booth's duct connection requirements for exhaust routing.
The duct reducer is to be used with non-flammable and non-combustible paints and solvents only, so it supports spray work limited to those specified coating types.
The 3 inch length keeps the reduction compact, letting installers place the 12 inch to 8 inch shift close to the booth or other fittings when space around the spray setup is constrained.
The PJSB.REDUCER part number identifies this specific 12 inch to 8 inch ducting section, helping shops specify and reorder the same reducer for consistent Portable Jobsite Spray Booth setups.
The PJSB duct reducer 12in to 8in from Paintline gives a defined 3 inch long transition between a 12 inch opening and an 8 inch opening, so your Portable Jobsite Spray Booth can tie into 8 inch duct runs where that size is used. Because it is designated for non-flammable and non-combustible paints and solvents only, it aligns with spray work that stays within those material limits. When a layout calls for a compact, clearly sized shift from 12 inch to 8 inch duct around the booth, this PJSB.REDUCER part number provides that specific connection point.
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